At the same time, constant engine speed stabilizes output displacement of hydraulic pump and then stabilizes travel speed and vibratory frequency in turn, so that compaction quality is increased.

　
英 美
  • 同時(shí)，發(fā)動(dòng)機轉速的恒定也使液壓泵輸出排量穩定，進(jìn)而保證了行走速度和振動(dòng)頻率的穩定，提高了壓實(shí)質(zhì)量。
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